MBA Exam

from 600 litres of petrol,60 litres is drawn and replaced by 60litres of a mixture that contains 50% petrol.if the operation is carried out 4 times,what is the final quantity of petrol as a percentage of the initial quantity approximately?any shortcut for this type of sums?

1) 75.6
2) 82.8
3) 80.5
4) 89.7

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MBA Other Question

Mark got a discount of 30% on a movie ticket. When the price of the movie ticket increased by 50% , the amount of discount in dollars remained the same. What is the percent discount that he received on new ticket price?

1) 10
2) 15
3) 20
4) 25
5) 28
In how many ways can you write the number 210 as a product of three integers?

1) 48
2) 41
3) 55
4) 52